WO2016124030A1 - Bogie de train ferroviaire à grande vitesse et son châssis - Google Patents

Bogie de train ferroviaire à grande vitesse et son châssis Download PDF

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Publication number
WO2016124030A1
WO2016124030A1 PCT/CN2015/094664 CN2015094664W WO2016124030A1 WO 2016124030 A1 WO2016124030 A1 WO 2016124030A1 CN 2015094664 W CN2015094664 W CN 2015094664W WO 2016124030 A1 WO2016124030 A1 WO 2016124030A1
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WO
WIPO (PCT)
Prior art keywords
air chamber
frame
torsion bar
speed rail
rail train
Prior art date
Application number
PCT/CN2015/094664
Other languages
English (en)
Chinese (zh)
Inventor
张振先
李晓燕
周平宇
宋晓文
王晓明
Original Assignee
中车青岛四方机车车辆股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201520082416.2U external-priority patent/CN204415418U/zh
Priority claimed from CN201510060689.1A external-priority patent/CN104648432B/zh
Application filed by 中车青岛四方机车车辆股份有限公司 filed Critical 中车青岛四方机车车辆股份有限公司
Priority to US15/502,688 priority Critical patent/US10377393B2/en
Priority to DE112015003399.8T priority patent/DE112015003399B4/de
Publication of WO2016124030A1 publication Critical patent/WO2016124030A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F1/00—Underframes
    • B61F1/08—Details
    • B61F1/12—Cross bearers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/04—Bolster supports or mountings
    • B61F5/10—Bolster supports or mountings incorporating fluid springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
    • B61F5/245—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode

Definitions

  • the invention relates to the technical field of rail vehicles, in particular to a bogie of a high-speed rail train and a frame thereof.
  • the air spring has adjustable stiffness and a relatively constant low natural vibration frequency, the ride comfort of the vehicle can be improved, and thus it is widely used in the suspension device.
  • the use of a low vertical stiffness air spring on the rail train bogie improves the vertical dynamics of the vehicle, but also reduces the roll stiffness of the vehicle.
  • the excessively low anti-rolling stiffness will cause the side roll angle of the car to increase.
  • the outline of the car body will exceed the limit and even the vehicle's overturning safety will be endangered. Therefore, the bogie suspended by the air spring needs to increase the anti-rolling stiffness of the vehicle and limit the roll angular displacement of the vehicle body.
  • the anti-rolling device is installed to effectively improve the anti-rolling rigidity of the vehicle and has a simple structure. Therefore, the anti-rolling torsion bar device is a commonly used and effective method at home and abroad.
  • the installation space of the air spring is small, thus limiting the vibration damping effect.
  • the currently widely used solution is to provide an additional air chamber of the air spring on the frame to increase the volume of the air chamber, effectively reduce the rigidity of the air spring and increase its damping, thereby improving the vibration damping effect of the air spring.
  • the above problem can be solved by making the side beam cavity of the frame an additional air chamber of the air spring.
  • FIG. 1 is a schematic view of a typical rail train bogie frame
  • FIG. 2 is a view taken along line A of FIG. 1
  • FIG. 3 is a cross-sectional view of FIG.
  • the frame includes two side beams 1' on both sides and two beams 2' in the middle. Both ends of the beam 2' pass through the side members 1' and are welded and fixed to the side members 1'.
  • the beam 1' is provided with an air spring seat 3' for mounting an air spring;
  • the side beam 1' is a box-shaped structure formed by splicing and welding steel plates, and the anti-rolling torsion bar seat 4' is fixedly mounted inside the side sill 1';
  • a sealed additional plenum 6' is isolated by two blocking plates 5', and the additional plenum 6' communicates with the air spring through the venting opening 7'.
  • the additional air chamber of the bogie frame can meet the vibration reduction requirements of the medium and low speed trains.
  • the frame load conditions of high-speed rail trains up to 500 km/h
  • the performance of air springs in bogies is degraded, which can not achieve the vibration damping effect at higher speeds.
  • the existing anti-rolling torsion bar base is more complicated to connect with the frame, and is not conducive to achieving weight reduction.
  • the technical problem to be solved by the present invention is to provide a bogie frame that meets the vibration-reduction requirements of high-speed rail trains.
  • a first object of the present invention is to provide a bogie frame for a high speed rail train.
  • the frame When the frame is applied to a high-speed rail train, not only the vibration-damping function of the air spring can be realized, but also a better vibration-damping effect can be obtained at a high speed.
  • the present invention also provides a train bogie provided with the frame.
  • the invention provides a high-speed rail train bogie frame, comprising a side beam, a cross beam between the side beams, the side beam is provided with an air spring seat for installing an air spring, and the air spring after installation
  • the main air chamber is located in the inner cavity of the side sill;
  • the cross member is a hollow seamless steel tube structure;
  • the frame further includes a passage that communicates with the main air chamber of the air spring and the beam cavity.
  • the main air chamber of the air spring communicates with the cavity of the beam, and the cavity of the beam can serve as an additional air chamber of the air spring, thereby realizing the communication between the main air chamber of the air spring and the additional air chamber, and effectively utilizing
  • the internal space of the frame eliminates the need to install a separate cylinder for the air spring, while increasing the volume of the air chamber, thereby reducing the natural vibration frequency of the air spring, so that the air spring can be kept low and nearly equal under any load.
  • the vibration frequency realizes the vibration damping function and improves the comfort of the rail train.
  • the side beam as the additional air chamber is inferior in airtightness. Because the side sills are formed by splicing and welding of steel plates, there are multiple welds in the periphery, and the airtightness is poor.
  • the invention is based on the improvement made by this, and the cavity with the hollow seamless steel pipe structural beam is used as the additional air chamber of the air spring, and the seamless steel pipe structure has no joints around, and the airtightness is good. Therefore, compared with the prior art, the additional air chamber of the air spring provided by the present invention has better airtightness and can meet the vibration damping requirements of the rail train at high speed.
  • the frame further includes a longitudinally disposed air chamber, the two ends of the air chamber being respectively in communication with the two beams; the passage communicating with the air chamber to achieve communication with the beam cavity.
  • the two ends of the air chamber are welded and fixed to the inner side wall of the corresponding beam, and the inner side wall of the beam is provided with a beam through hole corresponding to the end of the air chamber to open the beam. a cavity and the air chamber.
  • the air chamber is a curved plate structure having a U-shaped cross section, and is longitudinally welded to an inner side wall of the side beam with an open side thereof; the air chamber connects the side beam and the cross beam.
  • a side beam through hole is defined in a position corresponding to the side wall of the side wall and a side of the opening of the air chamber; the channel is laterally disposed, one end of the main air chamber of the air spring is turned on, and the other end is inserted into the Side beam through holes to conduct the air chamber.
  • an anti-rolling torsion bar seat for mounting the anti-rolling torsion bar is welded under the side beam, and the anti-rolling torsion bar seat is rounded to the bottom of the side beam to form a dovetail structure.
  • the anti-rolling torsion bar seat is welded by a steel plate to form a structure having an opening at the top and a mounting plate at the bottom, the mounting plate is used for mounting the anti-rolling torsion bar, the top and the side beam
  • the lower side wall is welded to form a box structure.
  • the mounting plate at the bottom of the anti-rolling torsion bar seat is formed by pressing a steel plate and has a screw A bolt hole for mounting the anti-rolling torsion bar.
  • the present invention also provides a bogie for a high-speed rail train comprising a frame and a wheel set, an axle box, a suspension device, and a base brake device mounted to the frame; the frame is the frame described above.
  • FIG. 1 is a schematic view of a steering frame in the prior art
  • Figure 2 is a view taken along line A of Figure 1;
  • Figure 3 is a cross-sectional view of Figure 1;
  • Figure 4 is a schematic view showing the communication structure of the gas chamber in the present invention.
  • Figure 5 is a schematic view of a bogie frame in the present invention.
  • Figure 6 is a view taken along the line A in Figure 5;
  • Figure 7 is a partial side cross-sectional view of Figure 5;
  • Figure 8 is a schematic view showing the installation of the anti-rolling torsion bar and the anti-rolling torsion bar seat;
  • Figure 9 is a schematic view of the anti-rolling torsion bar seat of Figure 8.
  • a dovetail structure 41 a mounting plate 42, a bolt hole 43;
  • the core of the present invention is to provide a bogie frame with better vibration damping effect at high speed, which can better realize the vibration damping function of the air spring at high speed.
  • Another core of the present invention is to provide a train bogie including the frame.
  • orientation words “longitudinal” and “inner” appearing herein are defined according to the structure of each part of the frame and the orientation of the parts connected to each other, and “longitudinal” refers to the vertical direction of the beam 2 of the frame.
  • the direction that is, the direction parallel to the side sill 1 of the frame; “inner” refers to the direction in which the portions of the frame are connected to each other, near the lateral or longitudinal centerline of the frame.
  • the appearance of the positional term is defined by the orientation of the various parts of the frame that are interconnected, and its appearance should not affect the scope of protection of the present invention.
  • FIG. 4 is a schematic structural view of a gas chamber in a specific embodiment of the present invention
  • FIG. 5 is a schematic structural view of a specific embodiment provided by the present invention
  • the frame provided by the present invention (shown in Figures 4-6) comprises two side members 1 and two beams 2 between the side members 1; wherein the side members 1 are provided for The air spring seat 11 of the air spring 5 is installed, the main air chamber 51 of the installed air spring 5 is located in the inner cavity of the side beam 1, and the beam 2 is a hollow seamless steel pipe structure.
  • the frame provided by the present invention further includes a passage 6 for communicating the cavity of the main air chamber 51 of the air spring 5 with the beam 2.
  • the main air chamber 51 of the air spring 5 is communicated with the cavity of the beam 2 through the passage 6, and the cavity of the beam 2 can serve as an additional air chamber of the air spring 5, realizing the main air spring 5.
  • the communication between the air chamber 51 and the additional air chamber effectively utilizes the internal space of the frame, eliminating the need to install a separate cylinder for the air spring 5, while increasing the volume of the air chamber 5, thereby reducing the natural vibration frequency of the air spring 5,
  • the air spring 5 can maintain a low and nearly equal vibration frequency under any load, thereby realizing the vibration damping function and improving the comfort of the rail train.
  • the side beam as the additional air chamber is inferior in airtightness. Because the side sill 1' is formed by splicing and welding of steel plates, there are a plurality of welds in the periphery, and the airtightness is poor.
  • the invention is based on the improvement made here, and the cavity having the hollow seamless steel pipe structural beam 2 is used as an additional air chamber of the air spring 5, and the seamless steel pipe structure has no joints around, and the airtightness is good.
  • the additional air chamber of the air spring 5 provided by the present invention has better airtightness and can meet the vibration damping requirements of the train at high speed.
  • the seamless steel pipe can be selected as a circular cross section, and when subjected to internal or external radial pressure, the force is relatively uniform, which further satisfies the bearing requirements of the train at high speed.
  • the frame provided by the present invention may further include a longitudinally disposed air chamber 3, and two ends of the air chamber 3 are respectively connected with the two beams 2;
  • the air chamber 3 and the main air chamber 51 of the air spring 5 are connected to realize communication between the main air chamber 51 of the air spring 5 and the cavity of the beam 2.
  • the air chamber 3 is an internal hollow structure, and the communication between the passage 6 and the cavity of the beam 2 is conveniently realized by the internal cavity thereof, so that the main air chamber 51 of the air spring 5 communicates with the additional air chamber.
  • the plenum 3 can be used as an additional plenum together with the cavity of the beam 2, further increasing the additional plenum volume of the air spring and increasing the damping function of the air spring 5; on the other hand, the plenum 3 is longitudinally arranged ( Shown in Figure 6), the torsional stiffness at the junction of the side members 1 and the beam 2 can be increased, thereby increasing the strength and stiffness of the frame.
  • both ends of the gas chamber 3 may be respectively welded and fixed to the inner side wall of the corresponding beam 2, and at the same time, as shown in FIG. 4, the inner side wall of the beam 2 is opened corresponding to the position of the end of the gas chamber 3.
  • a beam through hole 21 is passed through the beam through hole 21, and the cavity of the beam 2 communicates with the gas chamber 3.
  • the air chamber 3 is welded and fixed to the inner side wall of the beam 2, the connection mode is relatively simple, the sealing performance is excellent, and other connection structures can be omitted, thereby realizing the weight reduction of the frame, and therefore, the inner side of the air chamber 3 and the beam 2
  • the connection of the walls is preferably a welded connection.
  • the connection between the two ends of the air chamber 3 and the inner side walls of the two beams 2 is not limited to the welded connection.
  • the two ends of the air chamber 3 can be inserted into the inner cavity of the beam 2, and It is also possible to seal the parts to which they are connected, or to design corresponding connecting fasteners.
  • the gas chamber 3 may be a bent plate structure having a U-shaped cross section, and is longitudinally welded to the inner side wall of the side sill 1 with its open side, so that the side sill 1 and the cross member 2 are connected by the gas chamber 3.
  • Fig. 6 understands that the two edges of the opening side of the U-shaped bent plate are welded to the beam 2, and the passage 6 corresponds to the position of the opening side of the U-shaped bent plate to connect the air chamber 3.
  • the gas chamber 3 is a U-shaped bent plate structure, and cooperates with the inner side wall of the side sill 1 to form a desired cavity.
  • the inner side wall of the side sill 1 is utilized, and the material forming the gas chamber 3 can be saved.
  • the weight of the frame is achieved; more importantly, the welding of the side members 1 and the beam 2 is achieved so that the side members 1 and 2 are not directly welded and fixed.
  • the weld formed by welding is difficult to visually test based on the installation structure and space limitation, and it is inconvenient to perform welding and airtightness detection, and the welding position of the air chamber 3 is not blocked, and the weld is easy to observe. This makes it easy to apply welding and air tightness detection.
  • the gas chamber 3 may actually be a structure having an internal cavity.
  • the cross section of the gas chamber 3 may be a triangle.
  • Other shapes, or the plenum 3, may also be a complete cavity structure formed directly from the steel plate.
  • the U-shaped section has a large bending section coefficient, a small stress, and a high strength; and the complete cavity structure formed by welding directly by the steel plate needs to form a plurality of weld seams, and the airtightness is poor.
  • the curved structure of the U-shaped section is a monolithic structure, which has good air tightness, large torsional rigidity and simple structure. Therefore, in the present invention, the gas cell 3 is preferably a bent plate structure having a U-shaped cross section.
  • the side beam through hole 12 is required at a position corresponding to the inner side wall of the side sill 1 and the open side of the air chamber 3.
  • the passage 6 can be disposed laterally, one end of which opens the main air chamber 51 of the air spring 5, and the other end of which is inserted into the side beam through hole 12 to guide the ventilation chamber 3.
  • the passage 6 is communicated with the cavity of the beam 2 through a longitudinally disposed plenum 3 which, in addition to achieving the communication of the passage 6 with the cavity of the beam 2, also increases the torsional stiffness of the frame.
  • the manner in which the passage 6 communicates with the cavity of the beam 2 is not limited thereto.
  • the frame may include two elbows, one end of which is in communication with the channel 6, and the other end is respectively in communication with the corresponding two beams 2, and the structure can also realize the cavity of the channel 6 and the beam 2.
  • the communication since the structure includes two separately provided elbows, the strength and rigidity are poor compared to the air chamber 3 of the unitary structure, and therefore, the passage 6 and the beam 2 cavity preferably pass through the air chamber. 3 connected.
  • FIG. 7 is a partial side cross-sectional view of FIG. 5;
  • FIG. 8 is an installation of the anti-rolling torsion bar and the anti-rolling torsion bar seat.
  • FIG. 9 is a schematic view of the anti-rolling torsion bar seat shown in FIG. 8.
  • the underside of the side sill 1 can be welded for the anti-side roll of the anti-roller bar 7
  • the rod seat 4 and the anti-rolling torsion bar base 4 and the bottom beam 1 are rounded to form a dovetail structure 41.
  • the anti-rolling torsion bar base 4 provided by the present invention is welded under the side sill 1.
  • the anti-rolling torsion bar 7 is located outside the side sill 1 and is disposed on the inner side of the side sill 1
  • the lateral span of the anti-rolling torsion bar 7 on both sides is large, and in the case of the same reverse torque, the vehicle body has a small amplitude of shaking, which has a better effect in improving the comfort of the train and the anti-rolling action.
  • the inner side of the side sill 1 is provided with the air chamber 3, and the anti-side rolling rod 7 is attached to the outer side of the side sill 1 to avoid interference with the air chamber 3.
  • the anti-rolling torsion bar arrangement is compact and takes up minimal lateral space.
  • the anti-rolling torsion bar holder 4 is not limited to being attached to the underside of the side member 1, but may be attached to the lower side of the beam 2. At this time, the anti-rolling bar 7 is located inside the frame side member 1.
  • the anti-rolling torsion bar base 4 and the bottom beam 1 are rounded to form a dovetail structure 41, which can effectively alleviate the stress concentration problem at the joint between the side beam 1 and the anti-rolling torsion bar base 4. Thereby increasing the strength of the frame.
  • the connection manner of the side sill 1 and the anti-rolling torsion bar base 4 is not limited to welding, for the same reason as above, and details are not described herein again.
  • the anti-rolling torsion bar base 4 may be formed by welding a steel plate to form a top having an opening and a bottom being a mounting plate 42.
  • the mounting plate 42 is used for mounting the anti-rolling torsion bar 7 and the anti-rolling torsion bar seat 4
  • the top and side sill 1 can be welded to form a box structure.
  • the top of the anti-rolling torsion bar base 4 is welded to the bottom wall of the side beam 1 to form a box-shaped structure, which ensures sufficient structural strength and rigidity, and the anti-rolling torsion bar is provided inside the box type. Installation space.
  • the mounting plate 42 at the bottom of the anti-rolling torsion bar base 4 may be formed of a steel plate and has a bolt hole 43 for mounting the anti-rolling torsion bar 7.
  • the mounting plate 42 at the bottom of the anti-rolling torsion bar base 4 is formed by pressing a steel plate, and the forming method of the steel plate pressing type has the advantages of light weight and high strength.
  • the molding method of the mounting plate 42 is not limited to the steel plate pressing type, and other molding methods such as casting may be employed.
  • the steel sheet formed by casting is lower in strength than the pressing type, and therefore, the mounting plate 42 is preferably used in the present embodiment. A method of forming a steel sheet.
  • the frame provided by the present invention adopts a welded monolithic structure, which can effectively simplify the connection structure between the beams under the premise of achieving connection stability and strength, realizes lightweight, and is in the side beam.
  • 1 welding chamber 3 between the beam 2 and the air chamber 3 and the beam 2 communicating with each other The cavity is used as an additional air chamber of the air spring 5, and the overall structure is simple, and the anti-rolling torsion bar 7 is installed under the side beam 1 to improve the anti-rolling rigidity of the vehicle under the premise of vibration reduction and strength. Meet the requirements of high speed rail trains.
  • the present invention also provides a bogie for a high-speed rail train, comprising a frame and a wheel set, an axle box, a suspension device, and a base brake device mounted on the frame; the frame is the frame described in any of the above embodiments . Since the above-mentioned frame has the above technical effects, the bogie having the frame also has the same technical effect, and details are not described herein again.

Abstract

Châssis de bogie de train ferroviaire à grande vitesse, comprenant un élément latéral (1) et une traverse (2) située entre les éléments latéraux (1). L'élément latéral (1) est pourvu d'un siège (11) de ressort pneumatique pour l'installation d'un ressort pneumatique (5). Une chambre à air principale (51) du ressort pneumatique (5) installé se situe dans une cavité intérieure de l'élément latéral (1). La traverse (2) présente une structure de tube en acier creux sans soudure. Le châssis comprend en outre un canal (6) faisant communiquer la chambre à air principale (51) du ressort pneumatique (5) avec une cavité de la traverse (2). Dans le châssis de la présente invention, la cavité de la traverse sert de chambre à air supplémentaire du ressort pneumatique, et la poutre a la structure de tube en acier creux sans soudure, ce qui permet d'obtenir une imperméabilité à l'air favorable et de satisfaire les exigences d'atténuation de vibrations d'un train à grande vitesse.
PCT/CN2015/094664 2015-02-05 2015-11-16 Bogie de train ferroviaire à grande vitesse et son châssis WO2016124030A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/502,688 US10377393B2 (en) 2015-02-05 2015-11-16 High-speed rail train bogie and frame thereof
DE112015003399.8T DE112015003399B4 (de) 2015-02-05 2015-11-16 Fahrwerk für einen hochgeschwindigkeitsschienenzug und rahmen davon

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201520082416.2U CN204415418U (zh) 2015-02-05 2015-02-05 高速轨道列车的转向架及其构架
CN201510060689.1A CN104648432B (zh) 2015-02-05 2015-02-05 高速轨道列车的转向架及其构架
CN201510060689.1 2015-02-05
CN201520082416.2 2015-02-05

Publications (1)

Publication Number Publication Date
WO2016124030A1 true WO2016124030A1 (fr) 2016-08-11

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PCT/CN2015/094664 WO2016124030A1 (fr) 2015-02-05 2015-11-16 Bogie de train ferroviaire à grande vitesse et son châssis

Country Status (3)

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US (1) US10377393B2 (fr)
DE (1) DE112015003399B4 (fr)
WO (1) WO2016124030A1 (fr)

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CN106352003A (zh) * 2016-08-25 2017-01-25 中车南京浦镇车辆有限公司 空气弹簧供风用高强度堵头式气座结构
CN114030499A (zh) * 2021-09-26 2022-02-11 中车青岛四方机车车辆股份有限公司 转向架的辅助梁

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AT515583A1 (de) * 2014-03-19 2015-10-15 Siemens Ag Oesterreich Drehgestellrahmen
WO2016124023A1 (fr) * 2015-02-05 2016-08-11 中车青岛四方机车车辆股份有限公司 Bogie de véhicule ferroviaire à grande vitesse
CN106004913B (zh) * 2016-06-21 2019-03-19 中车唐山机车车辆有限公司 转向架
EP3623249B1 (fr) * 2017-09-19 2023-03-01 CRRC Changchun Railway Vehicles Co., Ltd. Châssis de remorque et bogie de remorque équipé de celui-ci
WO2019056641A1 (fr) * 2017-09-19 2019-03-28 中车长春轨道客车股份有限公司 Châssis de bogie et bogie équipé de celui-ci
CN115056814B (zh) * 2022-06-21 2024-01-26 中车青岛四方机车车辆股份有限公司 轨道车辆转向架横梁、转向架构架、转向架及轨道车辆

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